100% Bubble-Tight Sealing: Achieve zero leakage (ISO 5208 Rate A) even under low pressure, saving water and reducing pump load.
Durable EPDM Coating: Fully vulcanized rubber lining on the gate provides excellent corrosion resistance and a long service life (20+ years).
Full Bore & Flat Bottom: No sediment accumulation, ideal for raw water and sewage applications with debris.
Superior Corrosion Protection: Fusion-bonded epoxy coating inside & out (WRAS/ACS approved) prevents red water.
Low Torque Operation: O-ring stem seals reduce friction, allowing easy manual operation even for large diameters (DN300+).
OEM & Customization Ready: We support custom flanges (ANSI/BS/JIS), coatings, and gearboxes.
Socket End Connection: Push-on joint design compatible with ductile iron pipe (ISO 2531/EN 545).
Quick & Easy Installation: No bolts or gaskets needed — simply push pipe into socket.
Zero Leakage Guarantee: Resilient seated gate provides bubble-tight shut-off.
Anti-Pullout Design: Integral locking ring prevents accidental disconnection.
Corrosion Resistant: 250-micron epoxy coating inside and out.
Ideal for Buried Service: Non-rising stem design saves vertical space.
Wafer Design: Sandwich installation between two flanges — lightweight and compact.
Multiple Disc Options: EPDM/NBR lined body with ductile iron or stainless steel disc.
90° Quick Operation: Quarter-turn lever or gearbox for fast open/close.
Bi-Directional Sealing: Seals perfectly in both flow directions.
Low Pressure Drop: Streamlined disc profile minimizes flow resistance.
Interchangeable: Fits between PN10/PN16/ANSI Class 150 flanges.
Wafer Type: Ultra-compact design installs between two flanges — saves space and weight.
Single Plate (Swing Disc) or Dual Plate (Twin Disc): Options for different flow conditions.
Low Pressure Drop: Streamlined disc design minimizes flow resistance.
Fast Closing: Springs assist rapid disc closure to prevent water hammer.
Silent Operation: No slamming noise compared to traditional swing check valves.
Vertical or Horizontal Installation: Flexible mounting orientation.
Simple Rubber Flap Design: No springs, no hinges — just a flexible rubber flap.
Silent Operation: Rubber flap eliminates metal-to-metal slamming noise.
Corrosion Proof: All wetted parts are rubber or epoxy-coated ductile iron.
Ideal for Dirty Media: Handles sewage, sludge, and water with solids.
Low Cracking Pressure: Opens with minimal forward flow.
Maintenance Free: No moving parts to lubricate or replace.
Pilot-Operated Design: Precise control of pressure, flow, or level.
Globe Pattern Body: Excellent throttling characteristics.
Available Functions: Pressure Reducing (PRV), Sustaining (PSV), Flow Control (FCV), Altitude (ALV).
Hydraulic or Electric Pilot: No external power needed for hydraulic pilots.
Diaphragm Actuated: Smooth, stable regulation.
Bolt-on Seat: Easy maintenance.
Flanged Both Ends: Direct bolt-up to flanged valves, pumps, or pipe spools.
90° or 45° Available: Standard bending angles for pipeline direction changes.
Ductile Iron Body: QT450-10 / GJS-500-7 high strength, impact resistant.
Epoxy Coated Inside & Out: 250μm fusion bonded epoxy — WRAS/NSF certified.
Long Radius or Short Radius: Choose based on space and flow requirements.
Custom Drilling: Flanges drilled to ANSI, EN, BS, JIS, or AS standards.
Transmits Axial Force: Transfers thrust loads from pipeline to pump or support structure — protects equipment.
Limited Double Flanged Design: Allows limited axial movement while transmitting force.
Ductile Iron Body: QT450-10 with epoxy coating for corrosion resistance.
Compensates Installation Gaps: Absorbs minor misalignment and installation tolerances.
Easy Installation: Bolt directly between two flanges — no special tools required.
Custom Lengths Available: We can manufacture to your specified face-to-face dimension.
OS&Y (Outside Screw & Yoke) Design: Stem threads are outside the pipeline — protected from corrosive media.
Rising Stem: Visual indication of valve position (open when stem is extended).
Solid Wedge or Flexible Wedge: Solid for general service; flexible for thermal cycling.
Bolted Bonnet: Easy maintenance without special tools.
Renewable Seat Rings: Seat rings can be replaced in the field.
Class 150 to Class 1500: Available for high pressure applications.
Floating Ball Design: Ball seals against upstream seat for bubble-tight shut-off.
Full Port or Reduced Port: Full port for minimal pressure drop; reduced for lower cost.
Fire Safe Design (Optional): Secondary metal seat meets API 607.
Anti-Static Device: Prevents static charge buildup in explosive environments.
Blow-Out Proof Stem: Stem cannot be ejected under pressure.
ISO 5211 Mounting Pad: Ready for electric or pneumatic actuators.
Two-Piece Body: Center body joint allows access to internals for maintenance.
Serviceable Design: Seats and ball can be replaced without removing threaded ends from pipe.
Full Port Standard: Minimal pressure drop — bore matches pipe ID.
PTFE Seats with VITON / FKM Seals: High temperature chemical resistance.
Blow-Out Proof Stem & Anti-Static Device: Safety features standard.
ISO 5211 Direct Mount Pad: Ready for actuator (available on request).
Threaded Ends: NPT or BSP threads for quick installation on small bore pipes.
Forged A105 Body: High strength for Class 800 service.
Compact Size: No flanges — ideal for tight spaces and instrument tap connections.
Solid Wedge: Stellite faced for steam and high temperature.
Threaded Bonnet or Welded Bonnet: Low cost or leak-proof option.
Rising Stem (OS&Y): Visual position indicator.
Concentric Design: Symmetrical taper — pipe centerline remains straight.
Vertical Lines Only: Recommended for vertical pipelines or pump suction (flat top eccentric required for horizontal).
Seamless or Welded: Seamless up to 24″; welded for larger diameters.
ASTM A234 WPB: Standard carbon steel material.
Smooth Internal Transition: No sharp edges — minimizes turbulence.
Beveled Both Ends: Ready for butt welding to larger and smaller pipe.
Carbon steel/stainless steel forged material, high strength and corrosion resistance
Raised face (RF) design with concentric grooves for leak-tight gasket sealing
Slip-on welding design for quick installation and easy alignment
Compliant with ANSI/ASME B16.5, GB, DIN, JIS international standards
Full range of sizes & pressure ratings (DN15~DN2000, Class150~1500)
100% dimensional & visual inspection, with mill test certificates available
Flanged Connection: Integral loose or fixed flanges — bolts directly to pipeline flanges.
Multi-Arch Rubber Body: Natural rubber, EPDM, or NBR — for water, sewage, chemical service.
Absorbs Movement: Axial compression, extension, angular, and lateral movement.
Vibration Isolation: Reduces noise and vibration transmission from pumps.
Pressure Rating: PN6 / PN10 / PN16 — for water and low pressure systems.
Control Rods Optional: Limit movement to prevent over-extension.
